Home / 850,715.03-1,276,661.91-338,327.66

Finding the Fourth Proportional to 850,715.03, 1,276,661.91 and 338,327.66

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Solution

The fourth proportional to 850,715.03, 1,276,661.91 and 338,327.66 is: 507,725.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,715.03 : 1,276,661.91 = 338,327.66 : x
  2. Step 2: Convert to fraction form
    850,715.03/1,276,661.91 = 338,327.66/x
  3. Step 3: Cross multiply
    850,715.03x = 1,276,661.91 × 338,327.66
  4. Step 4: Simplify right side
    850,715.03x = 431,930,041,081.81
  5. Step 5: Solve for x
    x = 431,930,041,081.81/850,715.03
  6. Step 6: Final answer
    x = 507,725.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.